CVE-2018-9145

Name	CVE-2018-9145
Description	In the DataBuf class in include/exiv2/types.hpp in Exiv2 0.26, an issue exists in the constructor with an initial buffer size. A large size value may lead to a SIGABRT during an attempt at memory allocation. NOTE: some third parties have been unable to reproduce the SIGABRT when using the 4-DataBuf-abort-1 PoC file.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
exiv2 (PTS)	bookworm	0.27.6-1	fixed
	trixie	0.28.5+dfsg-1	fixed
	sid, forky	0.28.9+dfsg-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
exiv2	source	(unstable)	(not affected)

Notes

- exiv2 <not-affected> (Vulnerable code introduced later; only affected experimental; bug #910909)
https://github.com/xiaoqx/pocs/tree/master/exiv2
https://github.com/Exiv2/exiv2/pull/470
Fixed with: https://github.com/Exiv2/exiv2/commit/c03f73268f65c73f9d3d7b670f13e48e92692750
Issue introduced after https://github.com/Exiv2/exiv2/commit/163f3ce7f17a143f58d857a5cba3cb7b24436a2a